115278768 has 160 divisors (see below), whose sum is σ = 382475520. Its totient is φ = 32855040.

The previous prime is 115278731. The next prime is 115278781. The reversal of 115278768 is 867872511.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80071 + ... + 81497.

It is an arithmetic number, because the mean of its divisors is an integer number (2390472).

Almost surely, 2^115278768 is an apocalyptic number.

115278768 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115278768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191237760).

115278768 is an abundant number, since it is smaller than the sum of its proper divisors (267196752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115278768 is a wasteful number, since it uses less digits than its factorization.

115278768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1472 (or 1460 counting only the distinct ones).

The product of its digits is 188160, while the sum is 45.

The square root of 115278768 is about 10736.7950525285. The cubic root of 115278768 is about 486.6870331962.

The spelling of 115278768 in words is "one hundred fifteen million, two hundred seventy-eight thousand, seven hundred sixty-eight".